>
> We still haven't updated SymPy Live to SymPy 1.0, so the output of
> some examples may be different.
>
Thanks! Maybe I expressed myself misleading. Also the output in my
yupyter notebook did not correspond to what is in the documentation.
I have difficulty to understand the output of the three calls
below which are taken from the doc-pages I cited.
-----------------------------------------------------
from sympy import rf, symbols, factorial, ff, binomial
from sympy.abc import x
n, k = symbols('n k', integer=True)
rf(x**3, 2) # ? x**3*(x**3 + 1)
rf(x, k).rewrite(binomial) # ? RisingFactorial(x, k)
rf(n, k).rewrite(factorial) # ? RisingFactorial(n, k)
-----------------------------------------------------
Perhaps someone can enlighten me what to expect
and to tell me if the output of SymPy 1.0 is correct?
Peter
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